538007660 has 24 divisors (see below), whose sum is σ = 1143431856. Its totient is φ = 212609600.

The previous prime is 538007647. The next prime is 538007689. The reversal of 538007660 is 66700835.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 538007660.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160391 + ... + 163710.

It is an arithmetic number, because the mean of its divisors is an integer number (47642994).

Almost surely, 2^538007660 is an apocalyptic number.

It is an amenable number.

538007660 is an abundant number, since it is smaller than the sum of its proper divisors (605424196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538007660 is a wasteful number, since it uses less digits than its factorization.

538007660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324193 (or 324191 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 538007660 is about 23194.9921319236. The cubic root of 538007660 is about 813.3225613701.

The spelling of 538007660 in words is "five hundred thirty-eight million, seven thousand, six hundred sixty".